Nissan X-Trail 32. Manual — part 1845
B27D1 START CUT RELAY OFF
SEC-147
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
3.
CHECK STARTER CONTROL RELAY INPUT SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector and starter control relay connector.
3.
Check continuity between BCM harness connector and starter control relay harness connector.
4.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
4.
CHECK STARTER CONTROL RELAY OUTPUT SIGNAL
Check voltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-60, "Removal and Installation"
.
NO
>> GO TO 5.
5.
CHECK STARTER CONTROL RELAY OUTPUT SIGNAL CIRCUIT
1.
Check continuity between IPDM E/R harness connector and starter control relay harness connector.
2.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
6.
CHECK STARTER CONTROL RELAY
Check starter control relay. Refer to
SEC-148, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> GO TO 7.
7.
REPLACE BCM
BCM
Starter control relay
Continuity
Connector
Terminal
Connector
Terminal
E23
171
F69
2
Existed
BCM
Ground
Continuity
Connector
Terminal
E23
171
Not Existed
(+)
(-)
Condition
Voltage
IPDM E/R
Connector
Terminal
F73
84
Ground
Other than engine
cranking
0 - 1 V
Engine cranking
6 - 16 V
IPDM E/R
Starter control relay
Continuity
Connector
Terminal
Connector
Terminal
F73
84
F69
5
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
F73
84
Not existed
SEC-148
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B27D1 START CUT RELAY OFF
Replace BCM. Refer to
BCS-121, "Removal and Installation"
.
>> INSPECTION END
8.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000010922183
1.
CHECK STARTER CONTROL RELAY
1.
Disconnect starter control relay.
2.
Check continuity between starter relay terminals.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace starter control relay.
SEF497Y
starter control relay
Condition
Continuity
Terminal
12 V direct current supply between terminals
and
Existed
No current supply
Not existed
B27D2 START CUT RELAY ON
SEC-149
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B27D2 START CUT RELAY ON
DTC Description
INFOID:0000000010922184
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors
(Starter control relay circuit is shorted)
• Starter control relay
• BCM
• IPDM E/R
FAIL-SAFE
—
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Press push-button ignition switch under the following conditions and wait 1 second or more.
-
Selector lever: In the P position.
-
Brake pedal: Depressed.
2.
Select “Self Diagnostic Result” mode of “BCM” using CONSULT.
Is DTC detected?
YES
>> Refer to
SEC-149, "Diagnosis Procedure"
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010922185
1.
CHECK STARTER CONTROL RELAY INPUT SIGNAL
1.
Check voltage between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 2.
2.
CHECK FUSE
Check that the following fuse is not blown
Is the fuse fusing?
YES
>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.
NO
>> GO TO 3.
DTC No.
CONSULT screen items
(Trouble diagnosis con-
tent)
DTC detecting condition
B27D2–00
START CUT RELAY ON
(Starter cut relay ON)
When BCM starter control relay is in OFF status, and when the starter relay/starter con-
trol relay status signal is (ON/ON)
(+)
(-)
Condition
Voltage
BCM
Connector
Terminal
E23
171
Ground
Engine cranking
0 - 0.1 V
Other than engine cranking
9 - 16 V
Signal name
Fuse
Battery power supply
L (30A)
SEC-150
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B27D2 START CUT RELAY ON
3.
CHECK STARTER CONTROL RELAY INPUT SIGNAL CIRCUIT
1.
Disconnect BCM connector and starter control relay connector.
2.
Check continuity between BCM harness connector and starter control relay harness connector.
3.
Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
4.
CHECK STARTER CONTROL RELAY OUTPUT SIGNAL
1.
Check voltage between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-60, "Removal and Installation"
NO
>> GO TO 5.
5.
CHECK STARTER CONTROL RELAY OUTPUT SIGNAL CIRCUIT
1.
Check continuity between IPDM E/R harness connector and starter control relay harness connector.
2.
Check continuity between IPDM E/R harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace harness.
6.
CHECK STARTER CONTROL RELAY
Check starter control relay. Refer to
SEC-148, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Replace starter control relay.
7.
REPLACE BCM
Replace BCM.
BCS-121, "Removal and Installation"
.
BCM
Starter control relay
Continuity
Connector
Terminal
Connector
Terminal
E23
171
F69
2
Existed
BCM
Ground
Continuity
Connector
Terminal
E23
171
Not Existed
(+)
(-)
Condition
Voltage
IPDM E/R
Connector
Terminal
F73
84
Ground
Other than engine
cranking
0 - 1 V
Engine cranking
6 - 16 V
IPDM E/R
Starter control relay
Continuity
Connector
Terminal
Connector
Terminal
F73
84
F69
5
Existed
IPDM E/R
Ground
Continuity
Connector
Terminal
F73
84
Not existed
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